:root{--ink:#18312f;--muted:#637874;--line:#dce6e2;--green:#146b58;--bg:#f5f7f3}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}aside{width:230px;position:fixed;inset:0 auto 0 0;background:#153a34;color:#fff;padding:34px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:13px;align-items:center;color:#fff!important;font-size:23px;font-weight:700;text-decoration:none}.brand small{display:block;letter-spacing:2px;font-size:10px;color:#b2ccc2}nav{display:grid;gap:8px;margin-top:46px}nav a{color:#c7d9d1;text-decoration:none;padding:11px 16px;border-radius:8px}nav a.active,nav a:hover{background:#2b5147;color:#fff}.aside-bottom{margin-top:auto;font-size:13px}.aside-bottom a{color:#d9e9df}.aside-bottom p{color:#9db9ae;margin-top:25px}main{margin-left:230px;padding:0 44px;max-width:1560px}header{display:flex;justify-content:space-between;align-items:center;height:86px;border-bottom:1px solid var(--line);gap:20px}.header-right{display:flex;gap:14px;align-items:center}.language-quick{display:flex;gap:5px}.language-quick button{min-width:38px;padding:6px 9px;background:white;color:var(--green);border-color:var(--line)}.language-quick button.active{background:var(--green);color:white;border-color:var(--green)}.crumb{font-size:11px;letter-spacing:2px;color:var(--muted)}#identity{font-size:13px}.hero{padding:48px 0 32px;display:flex;justify-content:space-between;gap:22px;align-items:center}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--green);font-weight:700}h1{font-size:32px;line-height:1.35;margin:12px 0}h2{font-size:20px;margin:0}p{margin:10px 0 18px}.hero p:not(.eyebrow){color:var(--muted)}button,.button{border:1px solid var(--green);border-radius:7px;background:var(--green);color:white;display:inline-block;padding:11px 17px;text-decoration:none;font:inherit;cursor:pointer;white-space:nowrap}.secondary{background:white;color:var(--ink);border-color:var(--line)}button:disabled{opacity:.5;cursor:wait}.actions{display:flex;flex-wrap:wrap;gap:10px}.panel{padding:26px;background:white;border:1px solid var(--line);border-radius:12px;margin:20px 0 32px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.section-title span,.muted{color:var(--muted);font-size:13px}.filters{display:flex;gap:12px;margin-bottom:20px}.filters input{flex:1}.filters select{max-width:200px}input:not([type=checkbox]),textarea,select{font:inherit;padding:11px 13px;border:1px solid #cbd8d1;border-radius:7px;width:100%;background:white;color:var(--ink)}label{display:block;margin:14px 0 6px}label input,label textarea{margin-top:6px}input:focus,textarea:focus,select:focus{outline:2px solid #79ae98;outline-offset:1px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.card{background:white;border:1px solid var(--line);border-radius:10px;padding:23px;display:flex;flex-direction:column;min-height:195px}.card:hover{border-color:#7caa99}.card a.title{font-size:18px;font-weight:650;color:var(--ink);text-decoration:none}.card p{color:var(--muted);font-size:13px}.card .meta{margin-top:auto;font-size:12px;color:var(--muted);padding-top:18px}.pill{font-size:11px;color:var(--green);background:#eaf2e9;display:inline-block;border-radius:4px;padding:2px 8px;margin:8px 5px 0 0}.notice{background:#fff7e6;border:1px solid #efdcab;padding:10px 15px;border-radius:7px;margin-top:20px;font-size:13px}.error{background:#fff0ed;color:#922c22;border:1px solid #e8b5ae;padding:14px;border-radius:7px;margin-top:16px;white-space:pre-wrap}.drop{text-align:center;border:2px dashed #b8cec0;border-radius:9px;background:#f6f9f4;padding:28px;margin:24px 0}.drop .actions{justify-content:center}.drop.over{background:#dcefe3}.form-row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:20px}.form-row label{min-width:220px}.preview-card{border:1px solid var(--line);border-radius:8px;padding:18px;margin:14px 0}.preview-card pre{background:#f5f7f3;padding:12px;white-space:pre-wrap;font-size:12px;max-height:210px;overflow:auto}.warning{color:#a9690f;font-size:13px}.success{color:var(--green)}a{color:var(--green)}footer{padding:45px 0 25px;color:var(--muted);font-size:12px}.guide{max-width:900px}.guide h2{margin-top:35px}.guide code{background:#eaf0e9;padding:2px 5px}.guide pre{white-space:pre-wrap;background:#edf2eb;padding:18px}.guide table{border-collapse:collapse;width:100%}.guide th,.guide td{padding:12px;border:1px solid var(--line);text-align:left}[hidden]{display:none!important}@media(max-width:1000px){.hero{display:block}.hero .actions{margin-top:22px}aside{width:190px}main{margin-left:190px;padding:0 25px}}@media(max-width:680px){aside{position:static;width:auto;padding:18px}.brand small,.aside-bottom{display:none}nav{display:flex;overflow:auto;margin-top:16px;gap:4px}nav a{white-space:nowrap;padding:7px 11px}main{margin:0;padding:0 18px}header{height:65px}.hero{padding-top:26px}h1{font-size:26px}.filters{flex-wrap:wrap}.form-row,.section-title{align-items:flex-start;flex-direction:column}.panel{padding:18px}}

.document-versions{font-size:13px;margin:8px 0}.document-versions a{padding:3px 0}
.weekly-card{min-width:0;overflow-wrap:anywhere}.weekly-card-header h3{min-width:0}
.guide{margin:0 auto!important;padding-bottom:48px}.guide header{position:sticky;top:0;background:var(--bg);z-index:2;flex-wrap:wrap;height:auto;min-height:70px;padding:12px 0}
.guide .katex-display{overflow-x:auto;overflow-y:hidden;padding:8px 0}
.guide .wiki-comment-markdown>h1{margin-top:28px}.guide .guide-languages{display:flex;gap:8px}
.guide .guide-languages [aria-pressed=true]{background:var(--green);color:white}

.weekly-controls,.weekly-list-header{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.weekly-controls label{margin:0;font-size:13px}.weekly-controls input{width:170px}.weekly-heading{margin-bottom:20px}.weekly-heading .eyebrow{margin-top:0}.weekly-list-header{margin-bottom:18px}.weekly-list-header>span{margin-right:auto;color:var(--muted)}.weekly-list-header select{width:150px}.weekly-list{display:grid;gap:18px}.weekly-card{padding:24px;background:white;border:1px solid var(--line);border-radius:12px}.weekly-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.weekly-card h3{margin:0;font-size:21px}.weekly-card h3 a{text-decoration:none}.weekly-meta{font-size:13px;color:var(--muted);margin:7px 0 16px}.weekly-status{white-space:nowrap;border-radius:20px;background:#fff3d7;color:#875911;padding:4px 12px;font-size:12px}.weekly-status.done{background:#eaf2e9;color:var(--green)}.weekly-question{border-left:3px solid #abcbbd;padding-left:15px;margin-top:18px}.weekly-question strong{font-size:13px}.weekly-card .actions{margin-top:20px}.weekly-card .katex-display{overflow-x:auto;overflow-y:hidden}.weekly-card pre{overflow:auto;background:var(--bg);padding:12px}.weekly-card img{max-width:100%}.weekly-card .wiki-comment-markdown p{margin:8px 0}.weekly-dialog{width:min(700px,calc(100vw - 32px));max-height:90vh;border:1px solid var(--line);border-radius:14px;padding:25px;color:var(--ink);background:#fff}.weekly-dialog::backdrop{background:#122f2966}.weekly-dialog fieldset{border:0;padding:0;margin:0;min-width:0}.weekly-dialog h2{font-size:22px}.weekly-dialog button[type=submit]{margin-top:16px}.idea-schedule{align-self:flex-start;margin-top:16px;padding:7px 12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:680px){.weekly-controls button{padding:8px 10px}.weekly-card{padding:18px}.weekly-card-header h3{font-size:19px}.weekly-dialog{padding:18px}.weekly-heading .section-title{gap:8px}.weekly-controls input{width:155px}}

.import-pdf-preview{display:block;width:100%;height:580px;max-height:80vh;margin:12px 0;border:1px solid #dce6e2;border-radius:8px;background:#eef2ef}